Solve By Graphing
y = 1/3 x + 4
y = -1/3 x +2
What is (-3,3)
y=x
y =2x+2
What is (-2,-2)
x+y =-2
x-y = -4
What is (-3,1)
The sum of two numbers is 16.
Their difference is 2.
What is 7 and 9
Solution of a System of Equations
What is the point of intersection, or ordered pairs?
y = -1
y = -5/4 x +4
What is (4,-1)
y = x+1
y = 4x-5
What is (2,3)
4x+5y=22
-6x+5y =-8
What is (3,2)
The difference of two numbers is 4.
Their sum is 16.
What are 10 and 6?
Slope-Intercept form
What is the form an equation should be when graphing?
y = 5x-2
y = -x+2
What is (-1,3)
4x-2y=4
y=4x+2
What is (-2,-6)
10x +7y =-3
8x+7y =-15
What is (6, 9)
x + 10y =-28
-x -8y =24
What is (-8 ,-2)
The first step for solving a system of equations by substitution.
What is isolate one of the variables?
-4x-y =-4
y = -3x+5
What is (-1,8)
y = -6x-3
6x-5y=-21
What is (-1,3)
-3x-3y = -9
3x+14y =-13
What is (5,-2)
y = -x-2
y = 2x+1
What is (1,-3)
Graphing, Substitution, and Elimination
What are ways to solve a system of equations?
x-2y=-8
3x+y=-3
What is (-2,3)
x-3y =9
x+y =1
What is (3,-2)
10x + 20y =20
20x+40y=0
What is no solution?
7x-7y =-7
y = -6x +22
What is (3,4)
A system of equations has infinitely many solutions.
What happens when the m and b are the same for both equations?